2018 Seattle Code Adoption - Project Documents

2018 Seattle Codes Available for Purchase

The 2018 Seattle construction codes are now available for purchase through the International Code Council as a bookmarked pdf copy that you can download. 

You can order printed copies of the Seattle construction codes and errata through SDCI. View our publication list for prices. To order, please submit a request through the Seattle Services Portal using the Permits - Trade, Construction and Land Use option. See How to Purchase Seattle Code Books From SDCI for instructions on how to submit your request.

Read only versions of the Seattle construction codes and errata are available on the code webpages.

2018 Seattle Energy Code Amendment

2018 Seattle Energy Code Heat Pump Scope Change

Summary of Changes

2018 Seattle Construction Code Key Changes

2018 Errata

2018 Seattle Construction Codes Errata insert pages